DE4128739C2 - - Google Patents

Info

Publication number
DE4128739C2
DE4128739C2 DE4128739A DE4128739A DE4128739C2 DE 4128739 C2 DE4128739 C2 DE 4128739C2 DE 4128739 A DE4128739 A DE 4128739A DE 4128739 A DE4128739 A DE 4128739A DE 4128739 C2 DE4128739 C2 DE 4128739C2
Authority
DE
Germany
Prior art keywords
speed
playback
low
envelope
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE4128739A
Other languages
German (de)
English (en)
Other versions
DE4128739A1 (de
Inventor
Yang Lack Suweon Kr Kim
Tanakuchi Tokio/Tokyo Jp Yasuhiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE4128739A1 publication Critical patent/DE4128739A1/de
Application granted granted Critical
Publication of DE4128739C2 publication Critical patent/DE4128739C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/14—Masking or switching periodically, e.g. of rotating heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
DE4128739A 1990-08-29 1991-08-29 Vorrichtung zur kompensation einer geschwindigkeitsvariablen wiedergabe bei einem doppelazimut-4-magnetkopftyp-videorecorder Granted DE4128739A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2226892A JPH04109419A (ja) 1990-08-29 1990-08-29 ダブルアジマス４ヘッド型ビデオテープレコーダの変速再生補償装置

Publications (2)

Publication Number Publication Date
DE4128739A1 DE4128739A1 (de) 1992-03-12
DE4128739C2 true DE4128739C2 (nl) 1993-01-14

Family

ID=16852221

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4128739A Granted DE4128739A1 (de) 1990-08-29 1991-08-29 Vorrichtung zur kompensation einer geschwindigkeitsvariablen wiedergabe bei einem doppelazimut-4-magnetkopftyp-videorecorder

Country Status (5)

Country Link
US (1) US5319499A (nl)
JP (1) JPH04109419A (nl)
KR (1) KR930000223B1 (nl)
DE (1) DE4128739A1 (nl)
GB (1) GB2248337B (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19804628A1 (de) * 1997-02-06 1998-08-13 Samsung Electronics Co Ltd Verfahren für die Wiedergabe mit niedriger Geschwindigkeit in einem Videokassettenrecorder

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0121698Y1 (ko) * 1993-06-30 1998-08-01 김광호 표준/장시간모드 판별신호 기록/재생장치
KR0141213B1 (ko) * 1993-12-30 1998-07-15 김광호 디지탈 브이시알의 가변속도 재생장치
JP3039565U (ja) * 1997-01-14 1997-07-22 船井電機株式会社 磁気テープ再生装置
KR100257829B1 (ko) * 1997-07-15 2000-06-01 윤종용 비디오 카세트 레코더의 저속재생시 트래킹위치 제어방법
WO2001054264A1 (fr) * 2000-01-19 2001-07-26 Toshiba Video Products Japan Co., Ltd. Procede de production du chlore
US6956709B1 (en) * 2004-06-07 2005-10-18 Storage Technology Corporation Write velocity identification in a PRML system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142084A (en) * 1981-02-27 1982-09-02 Toshiba Corp Forward and reverse slow reproducer
JPS58220582A (ja) * 1982-06-16 1983-12-22 Matsushita Electric Ind Co Ltd ビデオテ−プレコ−ダ
JPS5936487A (ja) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd 磁気再生装置
JPS6069975A (ja) * 1983-09-26 1985-04-20 Victor Co Of Japan Ltd 変速再生時における回転ヘツドの再生信号切換回路
US4600952A (en) * 1985-02-01 1986-07-15 Matsushita Electric Industrial Co., Ltd. Helical scan video tape recorder with auxiliary heads for blur free high speed reproduction pictures
DE3664071D1 (en) * 1985-03-07 1989-07-27 Siemens Ag Circuit arrangement for noise elimination in digital data signals in a digital transmission system
JPH0738713B2 (ja) * 1985-11-15 1995-04-26 キヤノン株式会社 再生装置
WO1987007461A1 (en) * 1986-05-28 1987-12-03 Mitsubishi Denki Kabushiki Kaisha Image reproducing apparatus
US5214515A (en) * 1986-10-28 1993-05-25 Mitsubishi Denki Kabushiki Kaisha Video signal recording/reproducing apparatus
US4935826A (en) * 1988-02-08 1990-06-19 Goldstar Co. Ltd. Automatic tracking device for video cassette tape recorder
KR970008606B1 (en) * 1989-06-30 1997-05-27 Lg Electronics Inc Two head temporary slow circuit of vcr
FR2651041B1 (fr) * 1989-08-16 1991-11-29 Sgs Thomson Microelectronics Circuit de comparaison de signaux haute frequence modules en amplitude
DE3930591C2 (de) * 1989-09-13 1995-02-23 Broadcast Television Syst Verfahren und Vorrichtung zur Wiedergabe von Datensignalen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19804628A1 (de) * 1997-02-06 1998-08-13 Samsung Electronics Co Ltd Verfahren für die Wiedergabe mit niedriger Geschwindigkeit in einem Videokassettenrecorder
DE19804628C2 (de) * 1997-02-06 2000-12-28 Samsung Electronics Co Ltd Verfahren zur Wiedergabe eines Videosignals mit niedriger Bandgeschwindigkeit in einem Videokassettenrecorder

Also Published As

Publication number Publication date
KR930000223B1 (ko) 1993-01-14
JPH04109419A (ja) 1992-04-10
GB2248337A (en) 1992-04-01
KR920005117A (ko) 1992-03-28
GB2248337B (en) 1994-08-31
DE4128739A1 (de) 1992-03-12
US5319499A (en) 1994-06-07
GB9118558D0 (en) 1991-10-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee